Convert SWF to MP4 — Free Online Converter

SWF (Shockwave Flash) is Adobe's discontinued multimedia format that powered web animations, games, and interactive content from the late 1990s until Flash Player's end-of-life in December 2020. MP4 (MPEG-4 Part 14) is the universal video format supported by every modern device, browser, and platform. Converting SWF to MP4 is the definitive preservation and accessibility conversion — it transforms inaccessible Flash content into the most widely supported video format in existence.

This is the single most important conversion for Flash content preservation. Billions of Flash animations, educational modules, web games, and interactive experiences exist as SWF files that no modern browser can play. Converting to MP4 ensures this content remains accessible on computers, phones, tablets, smart TVs, and any device with a screen.

MP4 is universally supported. Every web browser (Chrome, Safari, Firefox, Edge), every operating system (Windows, macOS, Linux, iOS, Android), every social media platform (YouTube, Twitter, Facebook, Instagram), and every messaging app (WhatsApp, Telegram, iMessage) supports MP4 playback. No other video format matches MP4's compatibility reach.

The Flash ecosystem is entirely dead. Adobe removed the Flash Player download page, browsers block Flash content, and operating systems have uninstalled Flash Player through security updates. SWF files are effectively inert data on modern systems. Converting to MP4 is not optional for preservation — it is the only way to ensure Flash content remains viewable.